13640480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:682

約数の個数: 96

約数和(自身を含む): 38828160

約数和(自身を除く): 25187680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 641, 665, 760, 1064, 1120, 1282, 1330, 1520, 2128, 2564, 2660, 3040, 3205, 4256, 4487, 5128, 5320, 6410, 8974, 10256, 10640, 12179, 12820, 17948, 20512, 21280, 22435, 24358, 25640, 35896, 44870, 48716, 51280, 60895, 71792, 85253, 89740, 97432, 102560, 121790, 143584, 170506, 179480, 194864, 243580, 341012, 358960, 389728, 426265, 487160, 682024, 717920, 852530, 974320, 1364048, 1705060, 1948640, 2728096, 3410120, 6820240, 13640480]

約数ペア:

[(1, 13640480), (2, 6820240), (4, 3410120), (5, 2728096), (7, 1948640), (8, 1705060), (10, 1364048), (14, 974320), (16, 852530), (19, 717920), (20, 682024), (28, 487160), (32, 426265), (35, 389728), (38, 358960), (40, 341012), (56, 243580), (70, 194864), (76, 179480), (80, 170506), (95, 143584), (112, 121790), (133, 102560), (140, 97432), (152, 89740), (160, 85253), (190, 71792), (224, 60895), (266, 51280), (280, 48716), (304, 44870), (380, 35896), (532, 25640), (560, 24358), (608, 22435), (641, 21280), (665, 20512), (760, 17948), (1064, 12820), (1120, 12179), (1282, 10640), (1330, 10256), (1520, 8974), (2128, 6410), (2564, 5320), (2660, 5128), (3040, 4487), (3205, 4256)]